1.   What is Sn if a1 = 27.5, d = 1.5, and n = 35?
    A. 2152.5 B. 98,175
    C. 1245 D. 1855
    Hint

  2.   What are the first three terms of the arithmetic series if a1 = -1,
an = -115, and Sn = -1160?
    A. -115, -121, -127 B. 20, 14, 8
    C. -1160, -1166, -1172 D. -1, -7, -13
    Hint

  3.  
    A. –7 + 8 + (-9) + 10; 2
    B. 7 + 8 + 9 + 10; 34
    C. 7 – 8 + 9 – 10; -2
    D. –7 + (-8) + (-9) + (-10); -34
    Hint

  4.  
    A. 860 B. 430
    C. 820 D. 838.5
    Hint

  5.   Evaluate
    A. 434 B. 377
    C. 403 D. 372
    Hint



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